| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many | 898 |
23.8%
|
| 2 | Just a few | 1875 |
49.7%
|
| 3 | None | 985 |
26.1%
|
| 4 | None | 13 |
0.3%
|
| Sysmiss | 28 |